Finding the Fourth Proportional to 57,290.56, 79,061.58 and 31,797.40

Step by Step Solution

1. Step 1: Write the proportion equation
   57,290.56 : 79,061.58 = 31,797.40 : x
2. Step 2: Convert to fraction form
   57,290.56/79,061.58 = 31,797.40/x
3. Step 3: Cross multiply
   57,290.56x = 79,061.58 × 31,797.40
4. Step 4: Simplify right side
   57,290.56x = 2,513,952,683.89
5. Step 5: Solve for x
   x = 2,513,952,683.89/57,290.56
6. Step 6: Final answer
   x = 43,880.75